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-rw-r--r--drivers/pci/remove.c5
-rw-r--r--drivers/pci/setup-bus.c27
-rw-r--r--drivers/pci/setup-res.c4
-rw-r--r--drivers/pci/vgaarb.c17
-rw-r--r--drivers/pci/xen-pcifront.c4
-rw-r--r--drivers/pnp/quirks.c29
6 files changed, 29 insertions, 57 deletions
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index 0145aef1b930..c049eddc1e2f 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -5,10 +5,9 @@
static void pci_free_resources(struct pci_dev *dev)
{
- int i;
+ struct resource *res;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- struct resource *res = dev->resource + i;
+ pci_dev_for_each_resource(dev, res) {
if (res->parent)
release_resource(res);
}
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index c690572b10ce..027b985dd1ee 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -124,20 +124,17 @@ static resource_size_t get_res_add_align(struct list_head *head,
return dev_res ? dev_res->min_align : 0;
}
-
/* Sort resources by alignment */
static void pdev_sort_resources(struct pci_dev *dev, struct list_head *head)
{
+ struct resource *r;
int i;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- struct resource *r;
+ pci_dev_for_each_resource(dev, r, i) {
struct pci_dev_resource *dev_res, *tmp;
resource_size_t r_align;
struct list_head *n;
- r = &dev->resource[i];
-
if (r->flags & IORESOURCE_PCI_FIXED)
continue;
@@ -895,10 +892,9 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size,
min_align = window_alignment(bus, IORESOURCE_IO);
list_for_each_entry(dev, &bus->devices, bus_list) {
- int i;
+ struct resource *r;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- struct resource *r = &dev->resource[i];
+ pci_dev_for_each_resource(dev, r) {
unsigned long r_size;
if (r->parent || !(r->flags & IORESOURCE_IO))
@@ -1014,10 +1010,10 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
size = 0;
list_for_each_entry(dev, &bus->devices, bus_list) {
+ struct resource *r;
int i;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- struct resource *r = &dev->resource[i];
+ pci_dev_for_each_resource(dev, r, i) {
resource_size_t r_size;
if (r->parent || (r->flags & IORESOURCE_PCI_FIXED) ||
@@ -1358,11 +1354,10 @@ static void assign_fixed_resource_on_bus(struct pci_bus *b, struct resource *r)
*/
static void pdev_assign_fixed_resources(struct pci_dev *dev)
{
- int i;
+ struct resource *r;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
+ pci_dev_for_each_resource(dev, r) {
struct pci_bus *b;
- struct resource *r = &dev->resource[i];
if (r->parent || !(r->flags & IORESOURCE_PCI_FIXED) ||
!(r->flags & (IORESOURCE_IO | IORESOURCE_MEM)))
@@ -1795,11 +1790,9 @@ static void remove_dev_resources(struct pci_dev *dev, struct resource *io,
struct resource *mmio,
struct resource *mmio_pref)
{
- int i;
-
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- struct resource *res = &dev->resource[i];
+ struct resource *res;
+ pci_dev_for_each_resource(dev, res) {
if (resource_type(res) == IORESOURCE_IO) {
remove_dev_resource(io, dev, res);
} else if (resource_type(res) == IORESOURCE_MEM) {
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index b492e67c3d87..967f9a758923 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -484,12 +484,10 @@ int pci_enable_resources(struct pci_dev *dev, int mask)
pci_read_config_word(dev, PCI_COMMAND, &cmd);
old_cmd = cmd;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
+ pci_dev_for_each_resource(dev, r, i) {
if (!(mask & (1 << i)))
continue;
- r = &dev->resource[i];
-
if (!(r->flags & (IORESOURCE_IO | IORESOURCE_MEM)))
continue;
if ((i == PCI_ROM_RESOURCE) &&
diff --git a/drivers/pci/vgaarb.c b/drivers/pci/vgaarb.c
index f80b6ec88dc3..5a696078b382 100644
--- a/drivers/pci/vgaarb.c
+++ b/drivers/pci/vgaarb.c
@@ -548,10 +548,8 @@ static bool vga_is_firmware_default(struct pci_dev *pdev)
#if defined(CONFIG_X86) || defined(CONFIG_IA64)
u64 base = screen_info.lfb_base;
u64 size = screen_info.lfb_size;
+ struct resource *r;
u64 limit;
- resource_size_t start, end;
- unsigned long flags;
- int i;
/* Select the device owning the boot framebuffer if there is one */
@@ -561,19 +559,14 @@ static bool vga_is_firmware_default(struct pci_dev *pdev)
limit = base + size;
/* Does firmware framebuffer belong to us? */
- for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
- flags = pci_resource_flags(pdev, i);
-
- if ((flags & IORESOURCE_MEM) == 0)
+ pci_dev_for_each_resource(pdev, r) {
+ if (resource_type(r) != IORESOURCE_MEM)
continue;
- start = pci_resource_start(pdev, i);
- end = pci_resource_end(pdev, i);
-
- if (!start || !end)
+ if (!r->start || !r->end)
continue;
- if (base < start || limit >= end)
+ if (base < r->start || limit >= r->end)
continue;
return true;
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index fcd029ca2eb1..83c0ab50676d 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -390,9 +390,7 @@ static int pcifront_claim_resource(struct pci_dev *dev, void *data)
int i;
struct resource *r;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- r = &dev->resource[i];
-
+ pci_dev_for_each_resource(dev, r, i) {
if (!r->parent && r->start && r->flags) {
dev_info(&pdev->xdev->dev, "claiming resource %s/%d\n",
pci_name(dev), i);
diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index ac98b9919029..6085a1471de2 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -229,8 +229,7 @@ static void quirk_ad1815_mpu_resources(struct pnp_dev *dev)
static void quirk_system_pci_resources(struct pnp_dev *dev)
{
struct pci_dev *pdev = NULL;
- struct resource *res;
- resource_size_t pnp_start, pnp_end, pci_start, pci_end;
+ struct resource *res, *r;
int i, j;
/*
@@ -243,32 +242,26 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
* so they won't be claimed by the PNP system driver.
*/
for_each_pci_dev(pdev) {
- for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
- unsigned long flags, type;
+ pci_dev_for_each_resource(pdev, r, i) {
+ unsigned long type = resource_type(r);
- flags = pci_resource_flags(pdev, i);
- type = flags & (IORESOURCE_IO | IORESOURCE_MEM);
- if (!type || pci_resource_len(pdev, i) == 0)
+ if (!(type == IORESOURCE_IO || type == IORESOURCE_MEM) ||
+ resource_size(r) == 0)
continue;
- if (flags & IORESOURCE_UNSET)
+ if (r->flags & IORESOURCE_UNSET)
continue;
- pci_start = pci_resource_start(pdev, i);
- pci_end = pci_resource_end(pdev, i);
for (j = 0;
(res = pnp_get_resource(dev, type, j)); j++) {
if (res->start == 0 && res->end == 0)
continue;
- pnp_start = res->start;
- pnp_end = res->end;
-
/*
* If the PNP region doesn't overlap the PCI
* region at all, there's no problem.
*/
- if (pnp_end < pci_start || pnp_start > pci_end)
+ if (!resource_overlaps(res, r))
continue;
/*
@@ -278,8 +271,7 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
* PNP device describes a bridge with PCI
* behind it.
*/
- if (pnp_start <= pci_start &&
- pnp_end >= pci_end)
+ if (res->start <= r->start && res->end >= r->end)
continue;
/*
@@ -288,9 +280,8 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
* driver from requesting its resources.
*/
dev_warn(&dev->dev,
- "disabling %pR because it overlaps "
- "%s BAR %d %pR\n", res,
- pci_name(pdev), i, &pdev->resource[i]);
+ "disabling %pR because it overlaps %s BAR %d %pR\n",
+ res, pci_name(pdev), i, r);
res->flags |= IORESOURCE_DISABLED;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-21 10:06:43 +0000